Prove that if the function f is 1-1, then ƒ-1 is a function.

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A: NOTE:Kindly repost the other question as a separate question. 

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Q: 6. [0/1 Points] DETAILS PREVIOUS ANSWERS EPPDISCMATH5 9.7.024. Use the binomial theorem to expand th...

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Q: Answer?

A: Given,         3 to 5 = 35              

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Q: Use Cramer's rule to solve the simultaneous equations 2x + y = 7 3x – 4y = 5

A: The equations can be expressed as 2x+y-7=03x-4y-5=0

Q: 8. Let (X, d) be a metric space, and A, B are subset of X, then bos nogo 2i (i) Fr(A) = A n (A)° A –...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

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A: Concept: Various graph of diffrent polynomials is explained below:

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Q: Exercice 3 : Solve the first order PDE: Uz + 2u, + (2r - y)u = (2a +3xy-2y)(x+2y) %3D

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A: Given (b) The vertices are A0,0,0, B1,1,1, C0,2,3 c(1) y=1x2-1 c(2) y=9-x2

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Q: 6. Prove that 3" < n! whenever n is a positive integer greater than 6.

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Q: Question 4 Find the solution of the D.E. below: x cos? ydx+ tan ydy = 0 A y2+ (tanx) 2=c B x2+ (cosy...

A: We will use separation of variables technique to solve the problem.  

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A: Some of the properties of the integration  ∫sinx dx=-cosx+C ∫cosec2x dx=-cotx+C ∫sec2xdx=tanx+C

Q: 2. Solve the following Luñear partial differental equationsi cis -)p H. 24 dz +と?: 2 Pー×yY = z(2-2 a...

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Q: DeMorgan's Laws are stated as follows: 1. ~(p V q) =~ p^~ q 2. ~(p ^ q) =~ p V ~ q Use truth tables ...

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Q: Use the recursive definition of summation, the triangle inequality, the definition of absolute value...

A: To Show